easy, one minutes i solve the problem公仔箱論壇6 q/ I3 U P8 _8 A, Z* U7 M q3 I
divide into half, mean 6/ 6' g6 C) o) L$ K" k2 i; J! {/ z
take the heavier 6 ping pong# ?. X- w8 `/ h( G3 N
divide into 3/3, take the heavier 3
9 e/ r& P( l" p5 ]tvb now,tvbnow,bttvbtake the the other 3 that have the equal weight, switch each to measure, the most important things is labeling the ping pong so that we can recognize |